lib/ieee/idams/pub_model.rb in ieee-idams-0.2.10 vs lib/ieee/idams/pub_model.rb in ieee-idams-0.2.11

@@ -78,10 +78,12 @@
         url = "https://ieeexplore.ieee.org/document/#{id}"
         [block_given? ? yield(url) : url]
       end
 
       def keyword
-        volume.article.articleinfo.keywordset[0]&.keyword&.map(&:keywordterm)
+        volume.article.articleinfo.keywordset.inject([]) do |acc, keywordset|
+          acc + keywordset.keyword.map(&:keywordterm)
+        end.uniq
       end
 
       def ics
         return [] unless publicationinfo.ics_codes